package edu.sctu.practice.class02.shuqiqi.test21;

/**
 * Created by admin on 2015/11/3.
 */
public class InterFaceDemo {
    public static void main(String[] args) {
       Bike bike=new Bike();
        bike.start();
        bike.stop();
        Bus bus=new Bus();
        bus.stop();
        bus.start();
    }
}
